The legal risks of prosecutors getting access to data from period tracking apps have been getting increasing attention. The Democratic party now plans to enact legislation to provide legal protection for the privacy of this data. Many women choose to use apps to track their menstrual cycle. The data can serve a range of purposes, from estimating ovulation dates to either maximize or minimize the chances of pregnancy, to predicting when hormonal changes may lead to changes in mood.
Link: Period tracking apps could see their data legally protected